Exam 13: Polynomial and Synthetic Division

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Use long division to divide. (x3+4x2+x+4)÷(x+4)\left( x ^ { 3 } + 4 x ^ { 2 } + x + 4 \right) \div ( x + 4 )

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Use synthetic division to divide.​ (3x3−23x2+21x−49)÷(x−7)\left( 3 x ^ { 3 } - 23 x ^ { 2 } + 21 x - 49 \right) \div ( x - 7 ) ​

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If x = 35\frac { 3 } { 5 } is a root of 25x3−105x2+99x−27=025 x ^ { 3 } - 105 x ^ { 2 } + 99 x - 27 = 0 ,use synthetic division to factor the polynomial completely and list all real solutions of the equation.

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Use long division to divide.​ 8x2−67x−45÷x−98 x ^ { 2 } - 67 x - 45 \div x - 9 ​

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Find all real zeros of the polynomial f(x)=x4−113x2+3136f ( x ) = x ^ { 4 } - 113 x ^ { 2 } + 3136 and determine the multiplicity of each.

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Use synthetic division to divide. (3x3−19x2+30x−8)÷(x−4)\left( 3 x ^ { 3 } - 19 x ^ { 2 } + 30 x - 8 \right) \div ( x - 4 )

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Use synthetic division to divide.​ (−x3+101x−825)÷(x+11)\left( - x ^ { 3 } + 101 x - 825 \right) \div ( x + 11 ) ​

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Use the Remainder Theorem and synthetic division to find the function value.Verify your answer using another method.​ f(x)=4x3−3x+3,f(12)f ( x ) = 4 x ^ { 3 } - 3 x + 3 , f \left( \frac { 1 } { 2 } \right) ​

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Use the zero or root feature of a graphing utility to approximate the zeros of f(x)=2x3+8x2−5x−7f ( x ) = 2 x ^ { 3 } + 8 x ^ { 2 } - 5 x - 7 accurate to the nearest thousandth.

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If f(x)=−4x2+6x−7f ( x ) = - 4 x ^ { 2 } + 6 x - 7 ,use synthetic division to evaluate f (2).

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Use long division to divide. (x3+64)÷(x+4)\left( x ^ { 3 } + 64 \right) \div ( x + 4 )

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Find all the rational zeros of the function f(x)=−2x4−x3+51x2+25x−25f ( x ) = - 2 x ^ { 4 } - x ^ { 3 } + 51 x ^ { 2 } + 25 x - 25 .

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Use the Remainder Theorem and synthetic division to find the function value.Verify your answer using another method.​ f(x)=4x3−3x+8,f(−3)f ( x ) = 4 x ^ { 3 } - 3 x + 8 , f ( - 3 ) ​

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Find all rational roots of the equation. ​ 13x 3 - 2x 2 + 52x - 8 = 0 ​

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If x = -4 is a root of x3+5x2−16x−80=0x ^ { 3 } + 5 x ^ { 2 } - 16 x - 80 = 0 ,use synthetic division to factor the polynomial completely and list all real solutions of the equation.

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Use synthetic division to divide. (12+5x3−11x−18x2)÷(x−4)\left( 12 + 5 x ^ { 3 } - 11 x - 18 x ^ { 2 } \right) \div ( x - 4 )

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Use long division to divide.​ 2x2+14x+20÷x+52 x ^ { 2 } + 14 x + 20 \div x + 5 ​

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Use synthetic division to divide. (x3−27x+54)÷(x−3)\left( x ^ { 3 } - 27 x + 54 \right) \div ( x - 3 )

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Use long division to divide. ​​ (x4+7x3+10x2−x−2)÷(x+2)\left( x ^ { 4 } + 7 x ^ { 3 } + 10 x ^ { 2 } - x - 2 \right) \div ( x + 2 ) ​

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Use long division to divide.​ (−x2−5x−6)÷(x+2)\left( - x ^ { 2 } - 5 x - 6 \right) \div ( x + 2 )

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